C7100 — Imei Repair

If your C7100 has a Snapdragon chipset (e.g., SDM450, SD660), use QPST and QXDM.

Re-flash the stock firmware’s NVRAM backup or perform a full factory firmware rewrite using SP Flash Tool (MTK) or QFIL (Qualcomm). c7100 imei repair

Report prepared for technical support and field repair personnel. Use at your own risk. If your C7100 has a Snapdragon chipset (e

| Tool | Purpose | Compatibility | |------|---------|----------------| | SN Writer Tool | Write IMEI to MTK devices | MTK only | | Miracle Box (Thunder) | Advanced repair, format partitions | MTK & Qualcomm | | UMtool | User-friendly IMEI repair | MTK & Qualcomm | | QPST / QXDM | Qualcomm EFS backup & restore | Qualcomm only | | USB Drivers | Ensure device detection | Both | | Meta Mode Drivers | For MTK bypass authentication | MTK only | Report prepared for technical support and field repair

For users without a PC, if your C7100 is already rooted (Magisk or SuperSU), you can try:

Most C7100 variants use:

How to check: